Question
A can complete a task in 20 days, and B can complete the
same task in 25 days. If A works for 6 days and then leaves, in how many days will B complete the remaining work?Solution
Work done by A in 6 days = 6 × (1/20) = 3/10. Remaining work = 1 - 3/10 = 7/10. Time taken by B = (7/10) ÷ (1/25) = 17.5 days. Correct option: d
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